Features: 100% brand new and high quality. Wireless, handheld, lightweight, portable, easy to carry and use. Easy to read with large LCD screen. Personal profile set-up and memory makes monitoring quick and easy. 9-person-profile memory. Display the correct result in 6 seconds. Measures your body fat percentage, BMI, body shape and basic metabolism. After inputting your personal data, a measurement can be started by simply holding the grip electrodes and pressing the start button. Since the analyzer is built with a nine person profile memory, each member of your family or team can track the success of their individual exercise routines. Body shape is categorized into: emaciated, standard, hide corpulent, muscle corpulent and corpulent. Energy saving with auto shut-down function. Power supply: 2 x AAA batteries (not included). Not only a recommended household instrument, but also a perfect gift for relatives and friends. Body Fat Percentage is calculated by the five data in the formula that are height, weight, age, gender and the resistance value between 2 palms. This formula is developed among different people groups and has been tested. It is categorized into : low, standard, slightly high and high. BMI is calculated by : weight (KG) / square of height (M). It is categorized into : emaciated, standard, slightly obese and severely obese. Body shape is categorized into : emaciated, standard, hide corpulent, muscle corpulent and corpulent. Basic Metabolism Rate is calculated according to the input personal data. It shows the regular daily heat consumption except the heat consumed during sporting. Note: For the special groups, such as athletes and pregnant women, the body fat percentage and BMI cannot reflect the obesity correctly. Specifications: Color: Silver & black Set Item: Groups: One visitor group + nine member groups. Height: 100~199.5cm. Weight: 10~199.8kg. Age: 10~99 years old. Gender: male / female. Push button: set, power, start, up, down. Size: 23.5cm x 16cm x 4cm/ 9.25 x 6.29 x 1.57inch. Package includes: 1 x Body Fat Analyzer (Batteries are NOT included)